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Less language is an extension of css and less4j compiles it into regular css. It adds several dynamic features into css: variables, expressions, nested rules. Less4j is a port. The original compiler was written in JavaScript and is called less.js. The less language is mostly defined in less.js documentation/issues and by what less.js actually do. Links to less.js: * home page: http://lesscss.org/ * source code & issues: https://github.com/cloudhead/less.js

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package com.github.sommeri.less4j.utils;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import com.github.sommeri.less4j.core.ast.ASTCssNode;

public class ArraysUtils {

  public static  List asNonNullList(T... a) {
    List result = new ArrayList();
    for (T t : a) {
      if (t != null)
        result.add(t);
    }
    return result;
  }

  @SuppressWarnings("unchecked")
  public static  List deeplyClonedList(List list) {
    List result = new ArrayList();
    for (T t : list) {
      result.add((T)t.clone());
    }
    return result;
  }

  public static  List remaining(Iterator iterator) {
    List result = new ArrayList();
    while (iterator.hasNext())
      result.add(iterator.next());

    return result;
  }

}